一开始先是什么stylus有问题，我看了一下之前的提问重新 npm install stylus之后

然后 run dev 出现如下错误

ERROR in ./src/main.js
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/components/goods/goods in /Users/yh/Documents/Creation/sell/src
 @ ./src/main.js 19:13-46

ERROR in ./src/main.js
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/components/ratings/ratings in /Users/yh/Documents/Creation/sell/src
 @ ./src/main.js 23:15-52

ERROR in ./src/main.js
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/components/seller/seller in /Users/yh/Documents/Creation/sell/src
 @ ./src/main.js 27:14-49

ERROR in ./src/main.js
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/common/stylus/index.styl in /Users/yh/Documents/Creation/sell/src
 @ ./src/main.js 31:0-35

ERROR in ./~/babel-loader/lib?presets[]=es2015&plugins[]=transform-runtime&comments=false!./~/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/common/js/util in /Users/yh/Documents/Creation/sell/src
 @ ./~/babel-loader/lib?presets[]=es2015&plugins[]=transform-runtime&comments=false!./~/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue 11:12-37

ERROR in ./~/babel-loader/lib?presets[]=es2015&plugins[]=transform-runtime&comments=false!./~/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue
Module not found: Error: Cannot resolve 'file' or 'directory' /Users/yh/Documents/Creation/sell/src/components/header/header.vue in /Users/yh/Documents/Creation/sell/src
 @ ./~/babel-loader/lib?presets[]=es2015&plugins[]=transform-runtime&comments=false!./~/vue-loader/lib/selector.js?type=script&index=0!./src/App.vue 13:14-53

ERROR in ./~/css-loader!./~/vue-loader/lib/style-rewriter.js!./~/stylus-loader!./~/vue-loader/lib/selector.js?type=style&index=0!./src/App.vue
Module build failed: Error: /Users/yh/Documents/Creation/sell/src/App.vue:52:9
   48|
   49| </script>
   50|
   51| <style rel="stylesheet/stylus">
   52|   @import "./common/stylus/mixin.styl"
---------------^
   53|
   54|   .tab
   55|     display: flex

failed to locate @import file ./common/stylus/mixin.styl

    at CachedPathEvaluator.visitImport (/Users/yh/Documents/Creation/sell/node_modules/stylus-loader/lib/evaluator.js:157:21)
    at CachedPathEvaluator.Visitor.visit (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/index.js:28:40)
    at CachedPathEvaluator.Evaluator.visit (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/evaluator.js:160:18)
    at CachedPathEvaluator.Evaluator.visitRoot (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/evaluator.js:707:27)
    at CachedPathEvaluator.Visitor.visit (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/index.js:28:40)
    at CachedPathEvaluator.Evaluator.visit (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/evaluator.js:160:18)
    at CachedPathEvaluator.Evaluator.evaluate (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/visitor/evaluator.js:247:15)
    at Renderer.render (/Users/yh/Documents/Creation/sell/node_modules/stylus/lib/renderer.js:86:26)
    at /Users/yh/Documents/Creation/sell/node_modules/stylus-loader/index.js:163:12
    at tryCatchReject (/Users/yh/Documents/Creation/sell/node_modules/when/lib/makePromise.js:840:30)
    at runContinuation1 (/Users/yh/Documents/Creation/sell/node_modules/when/lib/makePromise.js:799:4)
    at Fulfilled.when (/Users/yh/Documents/Creation/sell/node_modules/when/lib/makePromise.js:590:4)
    at Pending.run (/Users/yh/Documents/Creation/sell/node_modules/when/lib/makePromise.js:481:13)
    at Scheduler._drain (/Users/yh/Documents/Creation/sell/node_modules/when/lib/Scheduler.js:62:19)
    at Scheduler.drain (/Users/yh/Documents/Creation/sell/node_modules/when/lib/Scheduler.js:27:9)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js!./~/stylus-loader!./~/vue-loader/lib/selector.js?type=style&index=0!./src/App.vue 4:14-230 13:2-17:4 14:20-236